diff options
Diffstat (limited to 'sound/oss/dmasound/tas_common.c')
| -rw-r--r-- | sound/oss/dmasound/tas_common.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/sound/oss/dmasound/tas_common.c b/sound/oss/dmasound/tas_common.c deleted file mode 100644 index b295ef68219..00000000000 --- a/sound/oss/dmasound/tas_common.c +++ /dev/null @@ -1,214 +0,0 @@ -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/ioport.h> -#include <linux/sysctl.h> -#include <linux/types.h> -#include <linux/i2c.h> -#include <linux/init.h> -#include <linux/soundcard.h> -#include <asm/uaccess.h> -#include <asm/errno.h> -#include <asm/io.h> -#include <asm/prom.h> - -#include "tas_common.h" - -#define CALL0(proc) \ - do { \ - struct tas_data_t *self; \ - if (!tas_client || driver_hooks == NULL) \ - return -1; \ - self = dev_get_drvdata(&tas_client->dev); \ - if (driver_hooks->proc) \ - return driver_hooks->proc(self); \ - else \ - return -EINVAL; \ - } while (0) - -#define CALL(proc,arg...) \ - do { \ - struct tas_data_t *self; \ - if (!tas_client || driver_hooks == NULL) \ - return -1; \ - self = dev_get_drvdata(&tas_client->dev); \ - if (driver_hooks->proc) \ - return driver_hooks->proc(self, ## arg); \ - else \ - return -EINVAL; \ - } while (0) - - -static u8 tas_i2c_address = 0x34; -static struct i2c_client *tas_client; - -static int tas_attach_adapter(struct i2c_adapter *); -static int tas_detach_client(struct i2c_client *); - -struct i2c_driver tas_driver = { - .driver = { - .name = "tas", - }, - .attach_adapter = tas_attach_adapter, - .detach_client = tas_detach_client, -}; - -struct tas_driver_hooks_t *driver_hooks; - -int -tas_register_driver(struct tas_driver_hooks_t *hooks) -{ - driver_hooks = hooks; - return 0; -} - -int -tas_get_mixer_level(int mixer, uint *level) -{ - CALL(get_mixer_level,mixer,level); -} - -int -tas_set_mixer_level(int mixer,uint level) -{ - CALL(set_mixer_level,mixer,level); -} - -int -tas_enter_sleep(void) -{ - CALL0(enter_sleep); -} - -int -tas_leave_sleep(void) -{ - CALL0(leave_sleep); -} - -int -tas_supported_mixers(void) -{ - CALL0(supported_mixers); -} - -int -tas_mixer_is_stereo(int mixer) -{ - CALL(mixer_is_stereo,mixer); -} - -int -tas_stereo_mixers(void) -{ - CALL0(stereo_mixers); -} - -int -tas_output_device_change(int device_id,int layout_id,int speaker_id) -{ - CALL(output_device_change,device_id,layout_id,speaker_id); -} - -int -tas_device_ioctl(u_int cmd, u_long arg) -{ - CALL(device_ioctl,cmd,arg); -} - -int -tas_post_init(void) -{ - CALL0(post_init); -} - -static int -tas_detect_client(struct i2c_adapter *adapter, int address) -{ - static const char *client_name = "tas Digital Equalizer"; - struct i2c_client *new_client; - int rc = -ENODEV; - - if (!driver_hooks) { - printk(KERN_ERR "tas_detect_client called with no hooks !\n"); - return -ENODEV; - } - - new_client = kzalloc(sizeof(*new_client), GFP_KERNEL); - if (!new_client) - return -ENOMEM; - - new_client->addr = address; - new_client->adapter = adapter; - new_client->driver = &tas_driver; - strlcpy(new_client->name, client_name, DEVICE_NAME_SIZE); - - if (driver_hooks->init(new_client)) - goto bail; - - /* Tell the i2c layer a new client has arrived */ - if (i2c_attach_client(new_client)) { - driver_hooks->uninit(dev_get_drvdata(&new_client->dev)); - goto bail; - } - - tas_client = new_client; - return 0; - bail: - tas_client = NULL; - kfree(new_client); - return rc; -} - -static int -tas_attach_adapter(struct i2c_adapter *adapter) -{ - if (!strncmp(adapter->name, "mac-io", 6)) - return tas_detect_client(adapter, tas_i2c_address); - return 0; -} - -static int -tas_detach_client(struct i2c_client *client) -{ - if (client == tas_client) { - driver_hooks->uninit(dev_get_drvdata(&client->dev)); - - i2c_detach_client(client); - kfree(client); - } - return 0; -} - -void -tas_cleanup(void) -{ - i2c_del_driver(&tas_driver); -} - -int __init -tas_init(int driver_id, const char *driver_name) -{ - const u32* paddr; - struct device_node *tas_node; - - printk(KERN_INFO "tas driver [%s])\n", driver_name); - -#ifndef CONFIG_I2C_POWERMAC - request_module("i2c-powermac"); -#endif - tas_node = of_find_node_by_name("deq"); - if (tas_node == NULL) - return -ENODEV; - paddr = of_get_property(tas_node, "i2c-address", NULL); - if (paddr) { - tas_i2c_address = (*paddr) >> 1; - printk(KERN_INFO "using i2c address: 0x%x from device-tree\n", - tas_i2c_address); - } else - printk(KERN_INFO "using i2c address: 0x%x (default)\n", - tas_i2c_address); - of_node_put(tas_node); - - return i2c_add_driver(&tas_driver); -} |